Event: Division 1

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Opponent	Rating	Result
Scott Riley	0	½ - ½
Robert Morris	143	1 - 0
Martyn Hamer	189	½ - ½
George Markovic	150	1 - 0
Scott Riley	171	½ - ½
Rob Tokeley	154	0 - 1
Robert Morris	143	1 - 0
John Whitfield	155	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

288 = (1105 + 400 * (4 - 1)) / 8)